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Development of Scientific Foundation for Small Molecule Conversion Using Multinuclear Metal Complexes

Research Project

Project/Area Number 19H00903
Research Category

Grant-in-Aid for Scientific Research (A)

Allocation TypeSingle-year Grants
Section一般
Review Section Medium-sized Section 34:Inorganic/coordination chemistry, analytical chemistry, and related fields
Research InstitutionOsaka University

Principal Investigator

Masaoka Shigeyuki  大阪大学, 大学院工学研究科, 教授 (20404048)

Project Period (FY) 2019-04-01 – 2023-03-31
Project Status Completed (Fiscal Year 2023)
Budget Amount *help
¥45,500,000 (Direct Cost: ¥35,000,000、Indirect Cost: ¥10,500,000)
Fiscal Year 2022: ¥9,880,000 (Direct Cost: ¥7,600,000、Indirect Cost: ¥2,280,000)
Fiscal Year 2021: ¥10,400,000 (Direct Cost: ¥8,000,000、Indirect Cost: ¥2,400,000)
Fiscal Year 2020: ¥10,400,000 (Direct Cost: ¥8,000,000、Indirect Cost: ¥2,400,000)
Fiscal Year 2019: ¥14,820,000 (Direct Cost: ¥11,400,000、Indirect Cost: ¥3,420,000)
Keywords錯体化学 / 多核金属錯体 / 電子移動反応 / 小分子変換 / 多電子酸化還元 / 多核クラスター錯体 / 電気化学
Outline of Research at the Start

「多電子移動能」と「結合組み換え能」を併せ持つ多核クラスター錯体を研究開発の中心に据え,小分子の多電子酸化還元を促す革新的な触媒の創出を目指した触媒開発基礎研究を推進します。そのために,金属イオンの種類・数ならびに配位子の電子構造が異なる種々の多核金属錯体を開発し,得られた錯体の多電子酸化還元能を網羅的に評価します。加えて,触媒反応中に生成する反応中間体の構造ならびに電子状態についても精密に解析することで触媒反応機構を詳細に理解します。これらの研究を通じ,小分子の多電子酸化還元を自在に操るための学理を創出することが本研究の最終目標です。

Outline of Final Research Achievements

In this study, based on the structures of the active centers of enzymes and the ideas obtained from the researches conducted by our group, fundamental research on the development of molecular catalysts was promoted with the aim of creating innovative catalysts for small molecule conversion reactions involving multi-electron transfer. Specifically, we synthesized and structurally characterized a series of pentanuclear cluster complexes with "multi-electron transfer ability" and "bond rearrangement ability," and evaluated their electronic states and catalytic ability for small-molecule conversion reactions. As a result, it was found that the electron transfer ability of the pentanuclear cluster complexes varies depending on the type of metal ions present in the complexes, and that some pentanuclear cluster complexes are active in various small-molecule conversion reactions.

Academic Significance and Societal Importance of the Research Achievements

様々な小分子を対象とした多電子酸化還元反応の触媒として、均一系錯体触媒や固体触媒、生体酵素を修飾した電極触媒などを対象に、これまでに複数の研究が行われてきた。これらの既存材料と比較し、本研究で対象とした多核クラスター錯体は、多核構造に由来する電子柔軟性により、酸化還元ストレスや化学変化ストレスに柔軟に対応し、結果として高い触媒耐久性を付与できることが本研究により示唆された。このように、多核クラスター錯体は、既存の触媒材料とは一線を画す優位性を有しており、本研究により得られた成果は小分子変換材料の開発に新たな戦略を提供するものである。

Report

(6 results)
  • 2023 Final Research Report ( PDF )
  • 2022 Annual Research Report
  • 2021 Annual Research Report
  • 2020 Annual Research Report
  • 2019 Comments on the Screening Results   Annual Research Report
  • Research Products

    (34 results)

All 2024 2023 2022 2021 2020 Other

All Int'l Joint Research (1 results) Journal Article (22 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 22 results,  Open Access: 6 results) Presentation (8 results) (of which Int'l Joint Research: 2 results,  Invited: 8 results) Book (3 results)

  • [Int'l Joint Research] Purdue University(米国)

    • Related Report
      2022 Annual Research Report
  • [Journal Article] Electrochemical C(sp3)-H Functionalization Using Acetic Acid as a Hydrogen Atom Transfer Reagent2024

    • Author(s)
      Morii Yuma、Watanabe Taito、Saga Yutaka、Kambe Tetsuya、Kondo Mio、Masaoka Shigeyuki
    • Journal Title

      ChemElectroChem

      Volume: 0 Issue: 10

    • DOI

      10.1002/celc.202400061

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Pentanuclear iron complex for water oxidation: Spectroscopic analysis of reactive intermediates in solution and catalyst immobilization into the MOF-based photoanode2024

    • Author(s)
      Ezhov Roman、Bury Gabriel、Maximova Olga、Daniel Grant Elliot、Kondo Mio、Masaoka Shigeyuki、Pushkar Yulia
    • Journal Title

      Journal of Catalysis

      Volume: 429 Pages: 115230-115230

    • DOI

      10.1016/j.jcat.2023.115230

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Introducing proton/electron mediators enhances the catalytic ability of an iron porphyrin complex for photochemical CO2 reduction2023

    • Author(s)
      Imai Maho、Kosugi Kento、Saga Yutaka、Kondo Mio、Masaoka Shigeyuki
    • Journal Title

      Chemical Communications

      Volume: 59 Issue: 72 Pages: 10741-10744

    • DOI

      10.1039/d3cc01862h

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Accumulation of Re-complex-based Catalytic Centers in Metal-Organic Cages for Photochemical CO2 Reduction/Insertion2023

    • Author(s)
      Kitada Masaki、Goo Zi Lang、Kosugi Kento、Saga Yutaka、Yoshinari Nobuto、Kondo Mio、Masaoka Shigeyuki
    • Journal Title

      Chemistry Letters

      Volume: 52 Issue: 6 Pages: 512-515

    • DOI

      10.1246/cl.230185

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Iron-Complex-Based Supramolecular Framework Catalyst for Visible-Light-Driven CO2 Reduction2023

    • Author(s)
      Kosugi Kento、Akatsuka Chiharu、Iwami Hikaru、Kondo Mio、Masaoka Shigeyuki
    • Journal Title

      Journal of the American Chemical Society

      Volume: in press. Issue: 19 Pages: 10451-10457

    • DOI

      10.1021/jacs.3c00783

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Visible-Light-Driven Hydroacylation of Unactivated Alkenes Using Readily Available Acyl Donors2023

    • Author(s)
      Saga Yutaka、Nakayama Yusuke、Watanabe Taito、Kondo Mio、Masaoka Shigeyuki
    • Journal Title

      Organic Letters

      Volume: 25 Issue: 7 Pages: 1136-1141

    • DOI

      10.1021/acs.orglett.2c04337

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Metal Ion Substitution in a Pentanuclear Scaffold Provides an Efficient Catalyst for a HCOOH/CO2 Cycle2023

    • Author(s)
      Akai Takuya、Iwamura Yumi、Kondo Mio、Saga Yutaka、Masaoka Shigeyuki
    • Journal Title

      Chemistry Letters

      Volume: 52 Issue: 3 Pages: 211-214

    • DOI

      10.1246/cl.230023

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Bronsted Acid/Base Site Isolated in a Pentanuclear Scaffold2022

    • Author(s)
      Tomoda Misa、Kondo Mio、Izu Hitoshi、Masaoka Shigeyuki
    • Journal Title

      Chemistry - A European Journal

      Volume: 29 Issue: 7

    • DOI

      10.1002/chem.202203253

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Synthesis and Electrocatalytic CO2 Reduction Activity of an Iron Porphyrin Complex Bearing a Hydroquinone Moiety2022

    • Author(s)
      Kosugi Kento、Imai Maho、Kondo Mio、Masaoka Shigeyuki
    • Journal Title

      Chemistry Letters

      Volume: 51 Issue: 3 Pages: 224-226

    • DOI

      10.1246/cl.210734

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Bridging coordination of acenaphthylene to a Pd3 chain or a Pd4 sheet cluster2022

    • Author(s)
      Yamamoto Koji、Sugawa Tsuyoshi、Kondo Mio、Masaoka Shigeyuki、Murahashi Tetsuro
    • Journal Title

      Dalton Transactions

      Volume: 51 Issue: 5 Pages: 1901-1906

    • DOI

      10.1039/d1dt04071e

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Copper(II) tetrakis(pentafluorophenyl)porphyrin: highly active copper-based molecular catalysts for electrochemical CO2 reduction2022

    • Author(s)
      Kosugi Kento、Kashima Hina、Kondo Mio、Masaoka Shigeyuki
    • Journal Title

      Chemical Communications

      Volume: 58 Issue: 18 Pages: 2975-2978

    • DOI

      10.1039/d1cc05880k

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Photochemical hydrogen production based on the HCOOH/CO2 cycle promoted by a pentanuclear cobalt complex2022

    • Author(s)
      Akai Takuya、Kondo Mio、Saga Yutaka、Masaoka Shigeyuki
    • Journal Title

      Chemical Communications

      Volume: 58 Issue: 23 Pages: 3755-3758

    • DOI

      10.1039/d1cc06445b

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Electrochemical Polymerization of a Carbazole‐Tethered Cobalt Phthalocyanine for Electrocatalytic Water Oxidation2022

    • Author(s)
      Li Shangxing、Iwami Hikaru、Kondo Mio、Masaoka Shigeyuki
    • Journal Title

      ChemNanoMat

      Volume: in press. Issue: 6

    • DOI

      10.1002/cnma.202200028

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Visible light-driven CO2 reduction with a Ru polypyridyl complex bearing an N-heterocyclic carbene moiety2022

    • Author(s)
      Watanabe Taito、Saga Yutaka、Kosugi Kento、Iwami Hikaru、Kondo Mio、Masaoka Shigeyuki
    • Journal Title

      Chemical Communications

      Volume: 58 Issue: 34 Pages: 5229-5232

    • DOI

      10.1039/d2cc00657j

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Design of molecular water oxidation catalysts with earth-abundant metal ions2021

    • Author(s)
      Kondo Mio、Tatewaki Hayato、Masaoka Shigeyuki
    • Journal Title

      Chemical Society Reviews

      Volume: 50 Issue: 12 Pages: 6790-6831

    • DOI

      10.1039/d0cs01442g

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Photoconductive Coordination Polymer with a Lead-Sulfur Two-Dimensional Coordination Sheet Structure2021

    • Author(s)
      Kamakura Yoshinobu、Sakura Chinatsu、Saeki Akinori、Masaoka Shigeyuki、Fukui Akito、Kiriya Daisuke、Ogasawara Kazuyoshi、Yoshikawa Hirofumi、Tanaka Daisuke
    • Journal Title

      Inorganic Chemistry

      Volume: 60 Issue: 8 Pages: 5436-5441

    • DOI

      10.1021/acs.inorgchem.0c03801

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Dirhodium-Based Supramolecular Framework Catalyst for Visible-Light-Driven Hydrogen Evolution2021

    • Author(s)
      Chinapang Pondchanok、Iwami Hikaru、Enomoto Takafumi、Akai Takuya、Kondo Mio、Masaoka Shigeyuki
    • Journal Title

      Inorganic Chemistry

      Volume: 60 Issue: 17 Pages: 12634-12643

    • DOI

      10.1021/acs.inorgchem.1c01279

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Quick and Easy Method to Dramatically Improve the Electrochemical CO2 Reduction Activity of an Iron Porphyrin Complex2021

    • Author(s)
      Kosugi Kento、Kondo Mio、Masaoka Shigeyuki
    • Journal Title

      Angewandte Chemie International Edition

      Volume: 60 Issue: 40 Pages: 22070-22074

    • DOI

      10.1002/anie.202110190

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Fabrication of a Function‐Integrated Water Oxidation Catalyst through the Electrochemical Polymerization of Ruthenium Complexes2021

    • Author(s)
      Iwami Hikaru、Kondo Mio、Masaoka Shigeyuki
    • Journal Title

      ChemElectroChem

      Volume: 9 Issue: 2 Pages: 52-58

    • DOI

      10.1002/celc.202101363

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Electrochemical Polymerization Provides a Function‐Integrated System for Water Oxidation2021

    • Author(s)
      Iwami Hikaru、Okamura Masaya、Kondo Mio、Masaoka Shigeyuki
    • Journal Title

      Angewandte Chemie International Edition

      Volume: 60 Issue: 11 Pages: 5965-5969

    • DOI

      10.1002/anie.202015174

    • Related Report
      2020 Annual Research Report 2019 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Modulation of Self‐Assembly Enhances the Catalytic Activity of Iron Porphyrin for CO 2 Reduction2021

    • Author(s)
      Tasaki Masahiro、Okabe Yuki、Iwami Hikaru、Akatsuka Chiharu、Kosugi Kento、Negita Kohei、Kusaka Sinpei、Matsuda Ryotaro、Kondo Mio、Masaoka Shigeyuki
    • Journal Title

      Small

      Volume: in press Issue: 22 Pages: 2006150-2006150

    • DOI

      10.1002/smll.202006150

    • Related Report
      2020 Annual Research Report 2019 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Pentanuclear Scaffold: A Molecular Platform for Small-Molecule Conversions2020

    • Author(s)
      Kondo Mio、Masaoka Shigeyuki
    • Journal Title

      Accounts of Chemical Research

      Volume: 53 Issue: 10 Pages: 2140-2151

    • DOI

      10.1021/acs.accounts.0c00186

    • Related Report
      2020 Annual Research Report 2019 Annual Research Report
    • Peer Reviewed
  • [Presentation] Development of molecular catalysts for artificial photosynthesis, Shigeyuki Masaoka2021

    • Author(s)
      Shigeyuki Masaoka
    • Organizer
      SJTU and OU Joint Workshop on Organic Chemistry
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 人工光合成への挑戦~空気や水から価値ある分子を~2021

    • Author(s)
      正岡重行
    • Organizer
      第130回 分子科学フォーラム
    • Related Report
      2021 Annual Research Report
    • Invited
  • [Presentation] 金属錯体で創造する光合成反応触媒2021

    • Author(s)
      正岡重行
    • Organizer
      カーボンニュートラル社会の実現に向けた触媒科学の挑戦, 大阪大学ICS-OTRI触媒科学シンポジウム
    • Related Report
      2021 Annual Research Report
    • Invited
  • [Presentation] 金属錯体の電子移動制御に立脚した触媒開発2021

    • Author(s)
      正岡重行
    • Organizer
      早稲田大学講演会
    • Related Report
      2021 Annual Research Report
    • Invited
  • [Presentation] Molecular Catalysts for Artificial Photosynthesis2021

    • Author(s)
      Shigeyuki Masaoka
    • Organizer
      Chemical Approaches for Sustainable Development Goals (SDGs), Osaka University Anniversary Lecture Series1
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 5つの金属イオンが織り成す革新機能2021

    • Author(s)
      正岡重行
    • Organizer
      白鷺セミナー,大阪府立大学
    • Related Report
      2021 Annual Research Report
    • Invited
  • [Presentation] 小分子の多電子酸化/還元反応のための多核金属錯体触媒2020

    • Author(s)
      正岡 重行
    • Organizer
      新学術領域「ハイブリッド触媒」第4回公開シンポジウム
    • Related Report
      2020 Annual Research Report 2019 Annual Research Report
    • Invited
  • [Presentation] 金属錯体の電子移動制御に立脚した触媒開発2020

    • Author(s)
      正岡 重行
    • Organizer
      福岡大学セミナー
    • Related Report
      2020 Annual Research Report 2019 Annual Research Report
    • Invited
  • [Book] 生命金属ダイナミクス  ~生体内における金属の挙動と制御~2021

    • Author(s)
      近藤 美欧, 正岡 重行
    • Total Pages
      564
    • Publisher
      エヌ・ティー・エス
    • ISBN
      9784860437060
    • Related Report
      2020 Annual Research Report 2019 Annual Research Report
  • [Book] 高機能性金属錯体が拓く触媒科学2020

    • Author(s)
      近藤美欧, 正岡重行
    • Total Pages
      224
    • Publisher
      化学同人
    • ISBN
      9784759813975
    • Related Report
      2020 Annual Research Report 2019 Annual Research Report
  • [Book] 光エネルギー変換における分子触媒の新展開2020

    • Author(s)
      近藤 美欧, 正岡 重行
    • Total Pages
      224
    • Publisher
      化学同人
    • ISBN
      9784759813982
    • Related Report
      2020 Annual Research Report 2019 Annual Research Report

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Published: 2019-04-18   Modified: 2025-01-30  

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